the marvellous discovery\ncard removed from pack while performer is not looking, yet he quickly finds two cards that denote the selection by value and suit without looking at the faces
- first method
- second method ("shades")
- third method (difference in design)\nvictor farelli\nan alternate detection\ntheodore annemann
1931
controlled coincidence Victor Farelli

The Marvellous Discovery

card removed from pack while performer is not looking, yet he quickly finds two cards that denote the selection by value and suit without looking at the faces

the koornwinder card control\nkey card with glue dots, reprinted from 1972, how to cut to it and how to control a selection with it\ndick koornwinder\nkoornwinder kard kontrol\ndick koornwinder
1998
the koornwinder kar & the koornwinder card control Dick Koornwinder

The Koornwinder Card Control

key card with glue dots, reprinted from 1972, how to cut to it and how to control a selection with it

the "key" card forcing and self-shifting pack\nno. 20, having a piece of metal around one end of a card (similar to paper clip) as key card
- the "waterfall" shuffle (with the key card)
- dispensing with the "key"
- "bridging"
- to force any tow cards (performer cuts apparently randomly)\nellis stanyon\nthe control of chosen cards\nguy hollingworth\nthe chosen card is dropped at a given signal\nellis stanyon
1999
ellis stanyon's best card tricks Ellis Stanyon

The "Key" Card Forcing and Self-shifting Pack

No. 20, having a piece of metal around one end of a card (similar to paper clip) as key card